CVE-2026-59822CISA KEVEPSS p56.3%

CVE-2026-59822BerriAI LiteLLM Improper Authentication Vulnerability

BerriAI / LiteLLM

Description

BerriAI LiteLLM contains an improper authentication vulnerability in the MCP Streamable HTTP endpoint that could allow an unauthenticated attacker to establish an authenticated MCP session using an arbitrary Bearer token.

Scoring

CVSS 8.2 ()
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS0.84% probability of exploitation · percentile 56.3% · 2026-10-05T12:00:23Z
Last modified2026-09-03

CISA KEV entry

Added to KEV: 2026-09-02

Sourced from NVD + CISA KEV + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.